#sidebar {
    height: 100%;
    background: rgb(37, 42, 58);
    text-align: center;
    position: relative;
}

.fileUpload {
    position: relative;
    overflow: hidden;
    margin-left: 0px;
    background: #ef5350;
    color: #ffffff;
}

.fileUpload input.upload {
    position: absolute;
    top: 0;
    right: 0;
    margin: 0;
    padding: 0;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    filter: alpha(opacity=0);
}

.index-div {
    height: 100%;
    position: relative;
}